Dockerfile

FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
WORKDIR /source

# Copy csproj and restore.
COPY src/Impostor.Server/Impostor.Server.csproj ./src/Impostor.Server/Impostor.Server.csproj
COPY src/Impostor.Shared/Impostor.Shared.csproj ./src/Impostor.Shared/Impostor.Shared.csproj
COPY submodules/Hazel-Networking/Hazel/Hazel.csproj ./submodules/Hazel-Networking/Hazel/Hazel.csproj

RUN dotnet restore -r linux-musl-x64 ./src/Impostor.Server/Impostor.Server.csproj && \
    dotnet restore -r linux-musl-x64 ./src/Impostor.Shared/Impostor.Shared.csproj && \
    dotnet restore -r linux-musl-x64 ./submodules/Hazel-Networking/Hazel/Hazel.csproj

# Copy everything else.
COPY submodules/. ./submodules/
COPY src/. ./src/
RUN dotnet publish -c release -o /app -f netcoreapp3.1 -r linux-musl-x64 --self-contained false --no-restore ./src/Impostor.Server/Impostor.Server.csproj

# Final image.
FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine
WORKDIR /app
COPY --from=build /app ./
EXPOSE 22023/udp
ENTRYPOINT ["./Impostor.Server"]